Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
7f47d8cc AK |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM msr | |
4 | ||
5 | #undef TRACE_INCLUDE_FILE | |
6 | #define TRACE_INCLUDE_FILE msr-trace | |
7 | ||
8 | #undef TRACE_INCLUDE_PATH | |
9 | #define TRACE_INCLUDE_PATH asm/ | |
10 | ||
11 | #if !defined(_TRACE_MSR_H) || defined(TRACE_HEADER_MULTI_READ) | |
12 | #define _TRACE_MSR_H | |
13 | ||
14 | #include <linux/tracepoint.h> | |
15 | ||
16 | /* | |
17 | * Tracing for x86 model specific registers. Directly maps to the | |
18 | * RDMSR/WRMSR instructions. | |
19 | */ | |
20 | ||
21 | DECLARE_EVENT_CLASS(msr_trace_class, | |
22 | TP_PROTO(unsigned msr, u64 val, int failed), | |
23 | TP_ARGS(msr, val, failed), | |
24 | TP_STRUCT__entry( | |
25 | __field( unsigned, msr ) | |
26 | __field( u64, val ) | |
27 | __field( int, failed ) | |
28 | ), | |
29 | TP_fast_assign( | |
30 | __entry->msr = msr; | |
31 | __entry->val = val; | |
32 | __entry->failed = failed; | |
33 | ), | |
34 | TP_printk("%x, value %llx%s", | |
35 | __entry->msr, | |
36 | __entry->val, | |
37 | __entry->failed ? " #GP" : "") | |
38 | ); | |
39 | ||
40 | DEFINE_EVENT(msr_trace_class, read_msr, | |
41 | TP_PROTO(unsigned msr, u64 val, int failed), | |
42 | TP_ARGS(msr, val, failed) | |
43 | ); | |
44 | ||
45 | DEFINE_EVENT(msr_trace_class, write_msr, | |
46 | TP_PROTO(unsigned msr, u64 val, int failed), | |
47 | TP_ARGS(msr, val, failed) | |
48 | ); | |
49 | ||
50 | DEFINE_EVENT(msr_trace_class, rdpmc, | |
51 | TP_PROTO(unsigned msr, u64 val, int failed), | |
52 | TP_ARGS(msr, val, failed) | |
53 | ); | |
54 | ||
55 | #endif /* _TRACE_MSR_H */ | |
56 | ||
57 | /* This part must be outside protection */ | |
58 | #include <trace/define_trace.h> |